455e Rancher 455 Rancher 460 Rancher - ator's manual

 
Operator’s manual

                                                                                        455e Rancher
                                        Original instructions                455 Rancher 460 Rancher
The engine exhaust from this product                                              Please read the operator’s manual carefully and make sure you understand the instructions
contains chemical known to the State                                                                                                              before using the machine.   English
 of California to cause cancer, birth       1153137-95
 defects or other reproductive harm.

                                                                2009-12-29
KEY TO SYMBOLS                                                                       AMERICAN STANDARD SAFETY PRECAUTIONS
Symbols on the machine:                                Symbols in the operator’s                                   Safety precautions for chain saw                            Other safety precautions
WARNING! Chain saws can be dangerous!                  manual:                                                     users                                                                   WARNING! Do not operate a chain saw
Careless or improper use can result in
serious or fatal injury to the operator or
                                                       Switch off the engine by moving the
                                                       stop switch to the STOP position
                                                                                                                   (ANSI B175.1-2000 Annex C)                                      !       with one hand! Serious injury to the
                                                                                                                                                                                           operator, helpers, bystanders or any
others.
                                                       before carrying out any checks or                           Kickback safety precautions                                             combination of these persons may result
Please read the operator’s manual                      maintenance.                                                                                                                        from one-handed operation. A chain saw
carefully and make sure you                                                                                                                                                                is intended for two-handed use.
                                                                                                                               WARNING! Kickback may occur when
understand the instructions before
using the machine.                                                                                                     !       the nose or tip of the guide bar touches
                                                                                                                               an object, or when the wood closes in           Do not operate a chain saw when you are fatigued.
Always wear:                                           Always wear approved protective                                         and pinches the saw chain in the cut.           Use safety footwear; snug-fitting clothing, protective
• Approved protective helmet                           gloves.                                                                                                                 gloves, and eye, hearing and head protection devices.
• Approved hearing protection                                                                                                  Tip contact in some cases may cause a
                                                                                                                               lightning fast reverse reaction, kicking        Use caution when handling fuel. Move the chain saw at
• Protective goggles or a visor
                                                                                                                               the guide bar up and back towards the           least 10 feet (3 m) from the fueling point before starting
                                                                                                                               operator.                                       the engine.
Both of the operator′s hands must be                   Regular cleaning is required.                                                                                           Do not allow other persons to be near the chain saw when
                                                                                                                               Pinching the saw chain along the top of         starting or cutting with the chain saw. Keep bystanders
used to operate the chain saw.
                                                                                                                               the guide bar may push the guide bar            and animals out of the work area.
                                                                                                                               rapidly back towards the operator.
                                                                                                                                                                               Do not start cutting until you have a clear work area,
                                                                                                                               Either of these reactions may cause you         secure footing and a planned retreat path from the falling
Never operate a chain saw holding it with              Visual check.                                                           to lose control of the saw which could          tree.
one hand only.                                                                                                                 result in serious personal injury.              Keep all parts of your body away from the saw chain when
                                                                                                                                                                               the engine is running.
                                                                                                                               Do not rely exclusively upon the safety
                                                                                                                               devices built into your saw. As a chain         Before you start the engine, make sure that the saw chain
Contact of the guide bar tip with any                  Protective goggles or a visor must                                      saw user, you should take several steps         is not contacting anything.
object must be avoided.                                be worn.                                                                to keep your cutting jobs free from             Carry the chain saw with the engine stopped, the guide
                                                                                                                               accident or injury.                             bar and saw chain to the rear, and the muffler away from
                                                                                                                                                                               your body.
WARNING! Kickback may occur when
the nose or tip of the guide bar touches                                                                           With a basic understanding of kickback, you can reduce      Do not operate a chain saw that is damaged, improperly
an object, and cause a lightning fast                                                                              or eliminate the element of surprise. Sudden surprise       adjusted, or not completely and securely assembled. Be
reverse reaction, kicking the guide bar                Refuelling.                                                 contributes to accidents.                                   sure that the saw chain stops moving when the throttle
up and towards the operator. May                                                                                                                                               control trigger is released.
                                                                                                                   Keep a good firm grip on the saw with both hands, the
cause serious personal injury.                                                                                     right hand on the rear handle, and the left hand on the     Shut off the engine before setting the chain saw down.
                                                                                                                   front handle, when the engine is running. Use a firm grip   Use extreme caution when cutting small size brush and
Chain brake, activated (right)                                                                                     with thumbs and fingers encircling the chain saw handles.   saplings because slender material may catch the saw
Chain brake, not activated                             Filling with oil and adjusting oil flow.                    A firm grip will help you reduce kickback and maintain      chain and be whipped toward you or pull you off balance.
(left)                                                                                                             control of the saw. Don’t let go.                           When cutting a limb that is under tension be alert for
                                                                                                                   Make sure that the area in which you are cutting is free    springback so that you will not be struck when the tension
                                                                                                                   from obstacles. Do not let the nose of the guide bar        in the wood fibers is released.
                                                       The chain brake must be engaged                             contact a log, branch, or any other obstacle which could    Keep handles dry, clean and free of oil or fuel mixture.
Other symbols/decals on the machine refer to special
                                                       when the chain saw is started.                              be hit while you are operating the saw.
certification requirements for certain markets.                                                                                                                                Operate the chain saw only in well-ventilated areas.
                                                                                                                   Cut at high engine speeds.                                  Do not operate a chain saw in a tree unless you have
                                                                                                                   Do not overreach or cut above shoulder height.              been specifically trained to do so.
                                                       WARNING! Kickback may occur
                                                       when the nose or tip of the guide bar                       Follow manufacturer’s sharpening and maintenance            Do not operate a chain saw above shoulder height.
                                                       touches an object, and cause a lightning                    instructions for the saw chain.                             All chain saw service, other than the items listed in the
                                                       fast reverse reaction, kicking the guide                    Only use replacement bars and chains specified by the       operator’s/owner’s safety and maintenance instructions,
                                                       bar up and towards the operator. May                        manufacturer or the equivalent.                             should be performed by competent chain saw service
                                                       cause serious personal injury.                                                                                          personnel. (For example, if improper tools are used to
                                                                                                                                                                               remove the flywheel or if an improper tool is used to hold
                                                                                                                                                                               the flywheel in order to remove the clutch, structural
                                                                                                                                                                               damage to the flywheel could occur and subsequently
                                                                                                                                                                               cause the flywheel to burst.)
                                                                                                                                                                               When transporting your chain saw, use the appropriate
                                                                                                                                                                               guide bar guard.
                                                                                                                                                                               Note: This Annex is intended primarily for the consumer or
                                                                                                                                                                               occasional user.

2 – English                                                                          1153137-95 Rev.2 2009-12-29   1153137-95 Rev.2 2009-12-29                                                                              English – 43
FEDERAL EMISSION CONTROL WARRANTY STATEMENT                                                                                     KEY TO SYMBOLS
MAINTENANCE, REPLACEMENT AND                                                              You will find the following labels on your chain saw:
REPAIR OF EMISSION-RELATED PARTS
Any Husqvarna Forest & Garden approved replacement
part used in the performance of any warranty
maintenance or repairs on emission-related parts, will be
provided without charge to the owner if the part is under
warranty.

EMISSION CONTROL WARRANTY PARTS
LIST
                                                                                                    Chain Saw
                                                                                                                IN ACCORDANCE WITH
1   Carburetor and internal parts                                                                                  ANSI B175.1-2000
2   Intake pipe, airfilter holder and carburetor bolts.
3   Airfilter and fuelfilter covered up to maintenance                                    EPA III
    schedule.
4   Spark Plug, covered up to maintenance schedule
5   Ignition Module

MAINTENANCE STATEMENT
The owner is responsible for the performance of all
required maintenance, as defined in the operator’s
manual.                                                                                   The Emissions Compliance Period referred to on the
                                                                                          Emission Compliance label indicates the number of
                                                                                          operating hours for which the engine has been shown to
                                                                                          meet Federal emissions requirements.

                                                                                          Maintenance, replacement, or repair of the emission
                                                                                          control devices and system may be performed by any
                                                                                          nonroad engine repair establishment or individual.

42 – English                                                1153137-95 Rev.2 2009-12-29   1153137-95 Rev.2 2009-12-29                                  English – 3
CONTENTS                                                                        FEDERAL EMISSION CONTROL WARRANTY STATEMENT
Contents                                                                              FEDERAL EMISSION CONTROL WARRANTY                            YOUR WARRANTY RIGHTS AND                                       LENGTH OF COVERAGE
                                                                                      STATEMENT
 KEY TO SYMBOLS
                                                                                      YOUR WARRANTY RIGHTS AND OBLIGATIONS 41
                                                                                                                                                   OBLIGATIONS                                                    Husqvarna Forest & Garden warrants to the initial owner
 Symbols on the machine: ......................................                  2                                                                                                                                and each subsequent purchaser that the engine is free
                                                                                      AMERICAN STANDARD SAFETY                                     The EPA (The US Environmental Protection Agency),              from defects in materials and workmanship which cause
 Symbols in the operator’s manual: ........................                      2                                                                 Environment Canada and Husqvarna Forest & Garden
                                                                                      PRECAUTIONS                                                                                                                 the failure of a warranted part for a period of two years.
 CONTENTS                                                                                                                                          are pleased to explain the emissions control system
                                                                                      Safety precautions for chain saw users ................ 43
 Contents ...............................................................        4                                                                 warranty on your 2009 and later small nonroad engine. In       WHAT IS COVERED
 INTRODUCTION                                                                                                                                      U.S. and Canada, new small nonroad engines must be
                                                                                                                                                                                                                  REPAIR OR REPLACEMENT OF PARTS Repair or
                                                                                                                                                   designed, built and equipped to meet the federal stringent
 Dear customer! .....................................................            5                                                                                                                                replacement of any warranted part will be performed at no
                                                                                                                                                   anti-smog standards. Husqvarna Forest & Garden must
 WHAT IS WHAT?                                                                                                                                                                                                    charge to the owner at an approved Husqvarna Forest &
                                                                                                                                                   warrant the emission control system on your small
                                                                                                                                                                                                                  Garden servicing dealer. If you have any questions
 What is what on the chain saw? ...........................                      6                                                                 nonroad engine for the period of time listed below
                                                                                                                                                                                                                  regarding your warranty rights and responsibilities, you
 GENERAL SAFETY PRECAUTIONS                                                                                                                        provided there has been no abuse, neglect or improper
                                                                                                                                                                                                                  should contact your nearest authorized servicing dealer
                                                                                                                                                   maintenance of your unit. Your emission control system
 Before using a new chain saw ..............................                     7                                                                                                                                or call Husqvarna Forest & Garden at 1-800-487-5951 or
                                                                                                                                                   includes Parts such as the carburetor and the ignition
 Important ..............................................................        7                                                                                                                                visit www.usa.husqvarna.com.
                                                                                                                                                   system. Where a warrantable condition exists, Husqvarna
 Always use common sense ..................................                      7                                                                 Forest & Garden will repair your small nonroad engine at       WARRANTY PERIOD Any warranted part which is not
                                                                                                                                                   no cost to you. Expenses covered under warranty include        scheduled for replacement as required maintenance, or
 Personal protective equipment .............................                     8
                                                                                                                                                   diagnosis, parts and labor.                                    which is scheduled only for regular inspection to the effect
 Machine′s safety equipment .................................                    8                                                                                                                                of “repair or replace as necessary” shall be warranted for
 Cutting equipment .................................................             11                                                                MANUFACTURER′S WARRANTY                                        2 years. Any warranted part which is scheduled for
 ASSEMBLY                                                                                                                                          COVERAGE                                                       replacement as required maintenance shall be warranted
                                                                                                                                                                                                                  for the period of time up to the first scheduled
 Fitting the bar and chain .......................................               17                                                                The 2009 and later small nonroad engines are warranted         replacement point for that part.
 FUEL HANDLING                                                                                                                                     for two years. If any emission related part on you engine
                                                                                                                                                   (as listed above) is defective, the part will be repaired or   DIAGNOSIS The owner shall not be charged for
 Fuel .......................................................................    19
                                                                                                                                                   replaced by Husqvarna Forest & Garden.                         diagnostic labor which leads to the determination that a
 Fueling ..................................................................      20                                                                                                                               warranted part is defective, if the diagnostic work is
 Fuel safety ............................................................        20                                                                OWNER′S WARRANTY                                               performed at an approved Husqvarna Forest & Garden
 STARTING AND STOPPING                                                                                                                                                                                            servicing dealer.
                                                                                                                                                   RESPONSIBILITIES
 Star ting and stopping ............................................             21                                                                                                                               CONSEQUENTIAL DAMAGES Husqvarna Forest &
                                                                                                                                                   As the small nonroad engine owner, you are responsible         Garden may be liable for damages to other engine
 WORKING TECHNIQUES                                                                                                                                for the performance of the required maintenance listed in      components caused by the failure of a warranted part still
 Before use: ............................................................        23                                                                your Operator′s Manual. Husqvarna Forest & Garden              under warranty.
 General working instructions ................................                   23                                                                recommends that you retain all receipts covering
 How to avoid kickback ...........................................               29
                                                                                                                                                   maintenance on your small nonroad engine, but                  WHAT IS NOT COVERED
                                                                                                                                                   Husqvarna Forest & Garden cannot deny warranty solely
 MAINTENANCE                                                                                                                                       for the lack of receipts or for your failure to ensure the     All failures caused by abuse, neglect or improper
 General .................................................................       31                                                                performance of all scheduled maintenance. As the small         maintenance are not covered.
 Carburetor adjustment ..........................................                31                                                                nonroad engine owner, you should, however, be aware            ADD -ON OR MODIFIED PARTS
 Checking, maintaining and servicing chain saw                                                                                                     that Husqvarna Forest & Garden may deny you warranty
                                                                                                                                                                                                                  The use of add-on or modified parts can be grounds for
 safety equipment ..................................................             32                                                                coverage if your small nonroad engine or a part of it has
                                                                                                                                                                                                                  disallowing a warranty claim. Husqvarna Forest & Garden
                                                                                                                                                   failed due to abuse, neglect, improper maintenance,
 Muffler ...................................................................     34                                                                                                                               is not liable to cover failures of warranted parts caused by
                                                                                                                                                   unapproved modifications or the use of parts not made or
 Starter ...................................................................     34                                                                                                                               the use of add-on or modified parts.
                                                                                                                                                   approved by the original equipment manufacturer. You are
 Air filter ..................................................................   35                                                                responsible for presenting your small nonroad engine to a      HOW TO FILE A CLAIM
 Spark plug .............................................................        36                                                                Husqvarna Forest & Garden authorized servicing dealer
                                                                                                                                                   as soon as a problem exists. The warranty repairs should       If you have any questions regarding your warranty rights
 Lubricating the bar tip sprocket .............................                  36                                                                be completed in a reasonable amount of time, not to            and responsibilities, you should contact your nearest
 Needle bearing lubrication ....................................                 36                                                                exceed 30 days. If you have any questions regarding your       authorized servicing dealer or call Husqvarna Forest &
 Adjustment of the oil pump ...................................                  36                                                                warranty rights and responsibilities, you should contact       Garden at 1-800-487-5951 or visit
                                                                                                                                                   your nearest authorized servicing dealer or call               www.usa.husqvarna.com.
 Cooling system .....................................................            36
                                                                                                                                                   Husqvarna Forest & Garden at 1-800-487-5951 or visit
 ”Air Injection” centrifugal cleaning .........................                  37                                                                www.usa.husqvarna.com.                                         WHERE TO GET WARRANTY SERVICE
 Winter use .............................................................        37                                                                                                                               Warranty services or repairs shall be provided at all
 Maintenance schedule ..........................................                 38                                                                WARRANTY COMMENCEMENT DATE                                     Husqvarna Forest & Garden authorized servicing dealers.
 TECHNICAL DATA                                                                                                                                    The warranty period begins on the date small nonroad
 Technical data .......................................................          39                                                                engine is delivered.
 Saw chain filing and file gauges ...........................                    40

4 – English                                                                                                      1153137-95 Rev.2 2009-12-29       1153137-95 Rev.2 2009-12-29                                                                                  English – 41
TECHNICAL DATA                                                                                                                 INTRODUCTION
Recommended original and replacement bar and chain combinations                                                           Dear customer!
Following is a list of recommended cutting equipment for the Husqvarna chain saw model 455 Rancher, 455e Rancher          Congratulations on your choice to buy a Husqvarna product! Husqvarna is based on a tradition that dates back to 1689,
and 460 Rancher. The combinations of power head, bar and chain have been tested and found to be in accordance with        when the Swedish King Karl XI ordered the construction of a factory on the banks of the Huskvarna River, for production
the kickback requirements of ANSI B175.1–2000.                                                                            of muskets. The location was logical, since water power was harnessed from the Huskvarna River to create the water-
The guide bar nose radius is determined by either the maximum number of teeth in the nose sprocket or the                 powered plant. During over 300 years of continuous operation, the Husqvarna factory has produced a lot of different
corresponding maximum nose radius of a solid bar.                                                                         products, from wood stoves to modern kitchen appliances, sewing machines, bicycles, motorcycles etc. In 1956, the first
                                                                                                                          motor driven lawn mowers appeared, followed by chain saws in 1959, and it is within this area Husqvarna is working
The following list is the chain saw manufacturers recommendations. There may be other combinations available, which       today.
will also achieve kickback reduction.
                                                                                                                          Today Husqvarna is one of the leading manufacturers in the world of forest and garden products, with quality as our
As we are listing the maximum guide bar nose radius, you may use a guide bar with smaller nose radius than in our list.   highest priority. We develop, manufacture and market high quality motor driven products for forestry and gardening as
For guide bars of the same length, all sprocket-nose guide bars of the same pitch and having the same number of           well as for building and construction industry.
sprocket teeth may be considered to have equivalent kickback energy. A hard nose bar having the same length and nose
radius as a sprocket-nose bar may be considered to have equivalent or less kickback energy than the sprocket-nose bar.    Your purchase gives you access to professional help with repairs and service whenever this may be necessary. If the
                                                                                                                          retailer who sells your machine is not one of our authorized dealers, ask for the address of your nearest servicing dealer.
Low kickback saw chain is a chain which has only met the kickback performance requirements of ANSI B 175.1 safety
requirements for gasoline powered chain saws when tested on the representative sample of chain saws below 3.8 cu.         It is our wish that you will be satisfied with your product and that it will be your companion for a long time. Think of this
in. specified in ANSI 175.1. We recommend that you as a replacement use the listed chains or "Low kickback saw chains"    operator′s manual as a valuable document. By following its′ content (using, service, maintenance etc) the life span and
which are available at your dealer. Saw chains Husqvarna H81 and H80 are both examples of listed ”Low kickback            the second-hand value of the machine can be extended. If you ever lend or sell this machine, make sure that the
sawchains”.                                                                                                               borrower or buyer gets the operator′s manual, so they will also know how to properly maintain and use it.
                                                                                                                          Thank you for using a Husqvarna product.
                                        Bar                                                        Chain
                                                                                                       Drive link         Husqvarna AB has a policy of continuous product development and therefore reserves the right to modify the design and
 Length, inch      Pitch, inch        Gauge, inch       Max. nose radius            Type
                                                                                                       count              appearance of products without prior notice.
 15                3/8                                  11T                                            56
 16                3/8                                  11T                                            60                 For customer assistance, contact us at our website: www.usa.husqvarna.com
                                                                                    Husqvarna H80,
 18                3/8                0,050             11T                         Husqvarna H46,     68
                                                                                    Husqvarna H47
 20                3/8                                  11T                                            72
 24                3/8                                  11T                                            84

Note: For the saw chains above (if available) you are free to choose between 0,050" or 0,058" gauge drive links for the
corresponding bar, see the table below.

 Gauge, in.       Saw chain designation
 0,050            H80         H46         H47
 0,058            H81         H42         H48

Saw chain filing and file gauges

40 – English                                                                             1153137-95 Rev.2 2009-12-29      1153137-95 Rev.2 2009-12-29                                                                                      English – 5
WHAT IS WHAT?                                                                                                     TECHNICAL DATA
                                                                                                                    Technical data
                                                        29             1                                                                                                 455e Rancher     455 Rancher      460 Rancher
                                                                                  2                                 Motor
                                                                                                                    Cylinder displacement, cu.in/cm3                     3,38/55,5        3,38/55,5        3,68/60,3
                                                                                       3
                                                                                                                    Cylinder bore, inch/mm                               1,85/47          1,85/47          1,93/49
                                                                                           4                        Stroke, inch/mm                                      1,26/32          1,26/32          1,26/32
                                                                                                                    Idle speed, rpm                                      2700             2700             2700
                                              30                                                                    Power, kW/hp @ rpm                                   2,6/3,5 @ 9000   2,6/3,5 @ 9000   2,7/3,7 @ 9000
                                                   10                                                               Ignition system
              23      31 32
                                                                                                    5                                                                    NGK BPMR 7A/    NGK BPMR 7A/    NGK BPMR 7A/
                                                                                                                    Spark plug
                                                                                                                                                                         Champion RCJ 7Y Champion RCJ 7Y Champion RCJ 7Y
                                                                                                                    Electrode gap, inch/mm                               0,02/0,5         0,02/0,5         0,02/0,5
                                                                   9   8      7   6                                 Fuel and lubrication system
     11       12       13 14                                                                                        Fuel tank capacity, US pint/litre                    0,93/0,44        0,93/0,44        0,93/0,44
                                                                                                    27              Oil pump capacity at 9,000 rpm, ml/min               6-17             6-17             6-17
                                                                                                                    Oil tank capacity, US pint/litre                     0,68/0,32        0,68/0,32        0,68/0,32
                                                                                                                    Type of oil pump                                     Automatic        Automatic        Automatic
                                     15                                                                             Weight
                                              16
                                                                                                                    Chain saw without bar or chain, empty tanks, lb/kg   13,0/5,9         12,8/5,8         12,8/5,8
                                                                           26
                                                                                               28                   Chain/bar
                                                                                                                    Standard bar length, inch/cm                         20"/51           20"/51           20"/51
                                                                                                                    Recommended bar lengths, inch/cm                     15-24”/38-61     15-24”/38-61     15-24”/38-61
    25 24       23 22 21 20 19 18 17                                                                                Usable cutting length, inches/cm                     14-23”/36-58     14-23”/36-58     14-23”/36-58
                                                                                                                    Pitch, inch                                          3/8              3/8              3/8
                                                                                                                    Thickness of drive links, inch/mm                    0,050/1,3        0,050/1,3        0,050/1,3
What is what on the chain saw?                                                                                                                                           0,058/1,5        0,058/1,5        0,058/1,5
                                                                                                                    Drive sprocket type/teeth                            Spur/7           Spur/7           Spur/7
1   Cylinder cover                                      17 Chain
                                                                                                                    Chain speed at max. power, m/sec                     20,0             20,0             20,0
2   Starter handle                                      18 Bar
3   Air purge                                           19 Bumper spike
4   Stop switch (Ignition on/off switch.)               20 Chain tensioning screw
5   Rear handle                                         21 Chain catcher
6   Choke control/Start throttle lock                   22 Oil pump adjustment screw
7   Fuel tank                                           23 Clutch cover
8   Adjuster screws carburetor                          24 Right hand guard
9   Starter                                             25 Throttle control
10 Chain oil tank                                       26 Operator’s manual
11 Throttle lockout                                     27 Combination spanner
12 Decompression valve                                  28 Bar guard
13 Front handle                                         29 Information and warning decal
14 Front hand guard                                     30 Product and serial number plate
15 Muffler                                              31 Chain tensioner wheel (455e Rancher)
16 Bar tip sprocket                                     32 Knob (455e Rancher)

6 – English                                                                           1153137-95 Rev.2 2009-12-29   1153137-95 Rev.2 2009-12-29                                                                      English – 39
MAINTENANCE                                                                                            GENERAL SAFETY PRECAUTIONS
Maintenance schedule                                                                                                         Before using a new chain saw                                  Important
The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the     •   Please read this manual carefully.
Maintenance section.                                                                                                                                                                        IMPORTANT!
                                                                                                                             •   Check that the cutting equipment is correctly fitted
                                                                                                                                 and adjusted. See instructions under the heading           This chain saw for forest service is designed for forest
 Daily maintenance                            Weekly maintenance                     Monthly maintenance                                                                                    work such as felling, delimbing and cutting.
                                                                                                                                 Assembly.
                                                                                     Check the brake band on the chain                                                                      You should only use the saw with the bar and chain
                                              On chain saws without a catalytic                                              •   Refuel and start the chain saw. See the instructions
                                                                                     brake for wear. Replace when less                                                                      combinations we recommend in the chapter Technical
 Clean the outside of the machine.            converter, check the cooling system                                                under the headings Fuel Handling and Starting and
                                                                                     than 0.024 inch (0.6 mm) remains at                                                                    data.
                                              weekly.                                                                            Stopping.
                                                                                     the most worn point.
                                                                                                                             •   Do not use the chain saw until sufficient chain oil has    Never use the machine if you are fatigued, while under
 Check that the components of the                                                                                                                                                           the influence of alcohol or drugs, medication or anything
                                              Check the starter, starter cord and    Check the clutch centre, clutch drum        reached the chain. See instructions under the
 throttle control work safely. (Throttle                                                                                                                                                    that could affect your vision, alertness, coordination or
                                              return spring.                         and clutch spring for wear.                 heading Lubricating cutting equipment.
 lockout and throttle control.)                                                                                                                                                             judgement.
                                                                                                                             •   Long-term exposure to noise can result in permanent
 Clean the chain brake and check that                                                                                            hearing impairment. So always use approved hearing         Wear personal protective equipment. See instructions
 it operates safely. Make sure that the       Check that the vibration damping       Clean the spark plug. Check that the        protection.                                                under the heading ”Personal protective equipment”.
 chain catcher is undamaged, and              elements are not damaged.              electrode gap is 0.020 inch (0.5 mm).
                                                                                                                                                                                            Do not modify this product or use it if it appears to have
 replace it if necessary.
                                                                                                                                          WARNING! Under no circumstances may               been modified by others.
 The bar should be turned daily for
 more even wear. Check the
                                                                                                                                  !       the design of the machine be modified
                                                                                                                                          without the permission of the
                                                                                                                                                                                            Never use a machine that is faulty. Carry out the checks,
                                                                                                                                                                                            maintenance and service instructions described in this
 lubrication hole in the bar, to be sure it                                                                                               manufacturer. Always use genuine                  manual. Some maintenance and service measures
                                              Lubricate the clutch drum bearing.     Clean the outside of the carburetor.
 is not clogged. Clean the bar groove.                                                                                                    accessories. Non-authorized                       must be carried out by trained and qualified specialists.
 If the bar has a sprocket tip, this                                                                                                      modifications and/or accessories can
                                                                                                                                                                                            See instructions under the heading Maintenance.
 should be lubricated.                                                                                                                    result in serious personal injury or the
                                                                                                                                          death of the operator or others. Your             Never use any accessories other than those
 Check that the bar and chain are             File off any burrs from the edges of   Check fuel hose for cracks or other                  warranty may not cover damage or                  recommended in this manual. See instructions under
 getting sufficient oil.                      the bar.                               damage. Change if necessary.                         liability caused by the use of non-               the headings Cutting equipment and Technical data.
 Check the saw chain with regard to                                                                                                       authorized accessories or replacement             CAUTION! Always wear protective glasses or a face
 visible cracks in the rivets and links,                                                                                                  parts.                                            visor to reduce the risk of injury from thrown objects. A
 whether the saw chain is stiff or            Clean or replace the spark arrestor    Empty the fuel tank and clean the                                                                      chain saw is capable of throwing objects, such as wood
 whether the rivets and links are             screen on the muffler.                 inside.                                                                                                chips, small pieces of wood, etc, at great force. This can
                                                                                                                                          WARNING! A chain saw is a dangerous
 abnormally worn. Replace if
 necessary.                                                                                                                       !       tool if used carelessly or incorrectly and
                                                                                                                                          can cause serious, even fatal injuries. It
                                                                                                                                                                                            result in serious injury, especially to the eyes.

 Sharpen the chain and check its                                                                                                          is very important that you read and
                                                                                                                                                                                                        WARNING! Running an engine in a
 tension and condition. Check the                                                    Empty the oil tank and clean the                     understand the contents of this
 drive sprocket for excessive wear and
                                              Clean the carburetor compartment.
                                                                                     inside.                                              operator’s manual.                                   !        confined or badly ventilated area can
                                                                                                                                                                                                        result in death due to asphyxiation or
 replace if necessary.                                                                                                                                                                                  carbon monoxide poisoning.
                                              Clean the air filter. Replace if                                                            WARNING! The inside of the muffler
 Clean the starter units air intake.                                                 Check all cables and connections.
                                              necessary.
                                                                                                                                  !       contain chemicals that may be
                                                                                                                                          carcinogenic. Avoid contact with these
                                                                                                                                                                                                        WARNING! Faulty cutting equipment or
 Check that nuts and screws are tight.
 Check that the stop switch works
                                                                                                                                          elements in the event of a damaged                   !        the wrong combination of bar and saw
                                                                                                                                                                                                        chain increases the risk of kickback!
                                                                                                                                          muffler.
 correctly.                                                                                                                                                                                             Only use the bar/saw chain combinations
                                                                                                                                                                                                        we recommend, and follow the filing
 Check that there are no fuel leaks                                                                                                                                                                     instructions. See instructions under the
                                                                                                                                          WARNING! Long term inhalation of the
 from the engine, tank or fuel lines.
 On chain saws with a catalytic
                                                                                                                                  !       engine’s exhaust fumes, chain oil mist
                                                                                                                                          and dust from sawdust can represent a
                                                                                                                                                                                                        heading Technical data.

 converter, check the cooling system                                                                                                      health risk.                                     Always use common sense
 daily.
                                                                                                                                                                                           It is not possible to cover every conceivable situation you
                                                                                                                                          WARNING! This machine produces an                can face when using a chain saw. Always exercise care
                                                                                                                                  !       electromagnetic field during operation.
                                                                                                                                          This field may under some
                                                                                                                                                                                           and use your common sense. Avoid all situations which
                                                                                                                                                                                           you consider to be beyond your capability. If you still feel
                                                                                                                                          circumstances interfere with active or           uncertain about operating procedures after reading these
                                                                                                                                          passive medical implants. To reduce the          instructions, you should consult an expert before
                                                                                                                                          risk of serious or fatal injury, we              continuing. Do not hesitate to contact your dealer or us if
                                                                                                                                          recommend persons with medical                   you have any questions about the use of the chain saw.
                                                                                                                                          implants to consult their physician and
                                                                                                                                                                                           We will willingly be of service and provide you with advice
                                                                                                                                          the medical implant manufacturer before
                                                                                                                                                                                           as well as help you to use your chain saw both efficiently
                                                                                                                                          operating this machine.
                                                                                                                                                                                           and safely. Attend a training course in chain saw usage if

38 – English                                                                                 1153137-95 Rev.2 2009-12-29     1153137-95 Rev.2 2009-12-29                                                                                   English – 7
GENERAL SAFETY PRECAUTIONS                                                                                                                    MAINTENANCE
possible. Your dealer, forestry school or your library can   Generally clothes should be close-fitting without             5   Cylinder cover (directs cold air over the cylinder).       Temperature 0°C (32°F) or colder:
provide information about which training materials and       restricting your freedom of movement.
courses are available.
                                                                 IMPORTANT! Sparks can come from the muffler, the bar
                                                                 and chain or other sources. Always have fire
                                                                 extinguishing tools available if you should need them.                                                                   The cylinder cover is designed so it can be adjusted for
                                                                 Help prevent forest fires.                                                                                               running in cold weather, so that preheated air from the
                                                                                                                                                                                          cylinder can pass into the carburetor space preventing
                                                                                                                                                                                          icing of the air filter, etc.
                                                             Machine′s safety equipment
                                                             In this section the machine’s safety features and their
                                                             function are explained. For inspection and maintenance
                                                             see instructions under the heading Checking, maintaining      Clean the cooling system with a brush once a week, more
                                                             and servicing chain saw safety equipment. See                 often in demanding conditions. A dirty or blocked cooling
                                                             instructions under the heading, What is what?, to find        system results in the machine overheating which causes
 Work is constantly in progress to improve the design and    where these parts are located on your machine.                damage to the piston and cylinder.
technology - improvements that increase your safety and      The life span of the machine can be reduced and the risk
efficiency. Visit your dealer regularly to see whether you   of accidents can increase if machine maintenance is not       ”Air Injection” centrifugal
can benefit from new features that have been introduced.     carried out correctly and if service and/or repairs are not
                                                             carried out professionally. If you need further information   cleaning
Personal protective equipment                                please contact your nearest servicing dealer.
                                                                                                                           Centrifugal cleaning means the following: All air to the
                                                                                                                           carburetor passes through the starter. Dirt and dust is
              WARNING! Most chain saw accidents                            WARNING! Never use a machine with               pushed out by the cooling fan.
    !         happen when the chain touches the                     !      defective safety components. Safety
                                                                           equipment must be inspected and
                                                                                                                                                                                          Temperature -5°C (23°F) or colder:
              operator. You must use approved
                                                                           maintained. See instructions under the
              personal protective equipment whenever
                                                                           heading Checking, maintaining and
              you use the machine. Personal protective
                                                                           servicing chain saw safety equipment. If
              equipment cannot eliminate the risk of                       your machine does not pass all the                                                                             For running the machine in cold weather or powder snow,
              injury but it will reduce the degree of                      checks, take the saw to a servicing
              injury if an accident does happen. Ask                                                                                                                                      a special cover is available, which is mounted on the
                                                                           dealer for repair.                                                                                             starter housing. This reduces the intake of cold air and
              your dealer for help in choosing the right
              equipment.                                                                                                                                                                  prevents large amounts of snow from being sucked in.
                                                             Chain brake and front hand guard
                                                             Your chain saw is equipped with a chain brake that is
                                                             designed to stop the chain if you get a kickback. The chain
                                                                                                                           IMPORTANT! In order to maintain operation of the
                                                             brake reduces the risk of accidents, but only you can
                                                                                                                           centrifugal cleaning system it must be regularly
                                                             prevent them.
                                                                                                                           maintained. Clean the air intake to the starter, the fins on
                                                                                                                           the flywheel, the space around the flywheel, inlet pipe and
                                                                                                                           carburetor compartment.

                                                                                                                           Winter use
                                                             Take care when using your saw and make sure the               Running problems can occur when using the machine in
                                                             kickback zone of the bar never touches any object.            the cold and snowy conditions caused by:
                                                                                                                           •   Too low engine temperature.
•   Approved protective helmet
                                                                                                                           •   Icing of the air filter and carburetor.                    CAUTION! If the special winterising kit has been fitted or
•   Hearing protection
                                                                                                                                                                                          any measures have been taken to increase the
•   Protective goggles or a visor                                                                                          Special measures are therefore often required:
                                                                                                                                                                                          temperature these changes must be reversed before the
•   Gloves with saw protection                                                                                             •   Partly mask the air inlet on the starter to increase the   machine is used in normal temperature conditions.
•   Trousers with saw protection                                                                                               working temperature of the engine.                         Otherwise there is a risk of overheating, resulting in
•   Boots with saw protection, steel toe-cap and non-slip    •     The chain brake (A) can either be activated manually                                                                   severe damage to the engine.
    sole                                                           (by your left hand) or automatically by the inertia                                                                    IMPORTANT! Any maintenance other than that described
•   Always have a first aid kit nearby.                            release mechanism.                                                                                                     in this manual must be carried out by your servicing
•   Fire Extinguisher and Shovel                             •     The brake is applied when the front hand guard (B) is                                                                  dealer (retailer).
                                                                   pushed forwards.

8 – English                                                                               1153137-95 Rev.2 2009-12-29      1153137-95 Rev.2 2009-12-29                                                                                 English – 37
MAINTENANCE                                                                                                GENERAL SAFETY PRECAUTIONS
Spark plug                                                      When lubricating, remove the clutch cover by loosening         •   This movement activates a spring-loaded mechanism         •   Kickback can be very sudden and violent. Most
                                                                the two bar nuts. Lay the saw on its side with the clutch          that tightens the brake band (C) around the engine            kickbacks are minor and do not always activate the
                                                                drum upwards.                                                      drive system (D) (clutch drum).                               chain brake. If this happens you should hold the chain
                                                                Lubrication involves engine oil dripping into the centre of                                                                      saw firmly and not let go.
                                                                the clutch drum as it rotates.
The spark plug condition is influenced by:
• Incorrect carburetor adjustment.
• An incorrect fuel mixture (too much or incorrect type
   of oil).
• A dirty air filter.
These factors cause deposits on the spark plug
electrodes, which may result in operating problems and                                                                                                                                       •   The way the chain brake is activated, either manually
starting difficulties.                                                                                                                                                                           or automatically by the inertia release mechanism,
                                                                                                                               •   The front hand guard is not designed solely to activate       depends on the force of the kickback and the position
If the machine is low on power, difficult to start or runs                                                                         the chain brake. Another important feature is that it
poorly at idle speed: always check the spark plug first         Adjustment of the oil pump                                         reduces the risk of your left hand hitting the chain if
                                                                                                                                                                                                 of the chain saw in relation to the object that the
before taking any further action. If the spark plug is dirty,                                                                                                                                    kickback zone of the bar strikes.
                                                                                                                                   you lose grip of the front handle.
clean it and check that the electrode gap is 0.020 inch (0.5                                                                                                                                     If you get a violent kickback while the kickback zone of
mm). The spark plug should be replaced after about a                                                                                                                                             the bar is farthest away from you the chain brake is
month in operation or earlier if necessary.                                                                                                                                                      designed to be activated by the inertia in the kickback
                                                                Adjustments are made by turning the screw using a                                                                                direction.
                                                                screwdriver or combination spanner. The machine is
                                                                supplied from the factory with the screw set to position 2.
                                                                Turning the screw clockwise will reduce the oil flow and
                                                                turning the screw anti-clockwise will increase the oil flow.
                                                                                                                               •   The chain brake must be engaged when the chain
                                                                                                                                   saw is started to prevent the saw chain from rotating.

Note! Always use the recommended spark plug type! Use
of the wrong spark plug can damage the piston/cylinder.
Check that the spark plug is fitted with a suppressor.
                                                                                                                                                                                                 If the kickback is less violent or the kickback zone of
Lubricating the bar tip sprocket                                Recommended settings:
                                                                                                                               •   Use the chain brake as a ”parking brake” when
                                                                                                                                                                                                 the bar is closer to you the chain brake is designed to
                                                                                                                                   starting and when moving over short distances, to
                                                                Bar 13"-15": Position 1                                                                                                          be activated manually by the movement of your left
                                                                                                                                   reduce the risk of moving chain accidentally hitting
                                                                                                                                                                                                 hand.
                                                                Bar 16"-18": Position 2                                            your leg or anyone or anything close by.

Lubricate the bar tip sprocket each time you refuel. Use        Bar 20"-24": Position 3
the special grease gun and a good quality bearing grease.
                                                                These recommendations apply to Husqvarna’s chain oil,
                                                                for other chain oils increase the oil flow by one step.

                                                                             WARNING! The engine must be stopped
                                                                     !       when making adjustments.                                                                                        •   In the felling position the left hand is in a position that
                                                                                                                                                                                                 makes manual activation of the chain brake
                                                                                                                                                                                                 impossible. With this type of grip, that is when the left
                                                                                                                                                                                                 hand is placed so that it cannot affect the movement
                                                                Cooling system                                                                                                                   of the front hand guard, the chain brake can only be
                                                                                                                                                                                                 activated by the inertia action.
                                                                                                                               •   To release the chain brake pull the front hand guard
Needle bearing lubrication                                                                                                         backwards, towards the front handle.
                                                                To keep the working temperature as low as possible the
                                                                machine is equipped with a cooling system.
                                                                The cooling system consists of:
The clutch drum has a needle bearing on the output shaft.
This needle bearing must be lubricated regularly (once a        1   Air intake on the starter.
week).                                                          2   Air guide plate.
                                                                3   Fins on the flywheel.
                                                                4   Cooling fins on the cylinder.

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GENERAL SAFETY PRECAUTIONS                                                                                                                       MAINTENANCE
Will my hand always activate the chain                          Chain catcher                                                    recoil spring by letting the pulley rotate slowly            •   Lubricate the recoil spring with light oil. Fit the pulley
                                                                                                                                 backwards.                                                       and tension the recoil spring.
brake during a kickback?                                        The chain catcher is designed to catch the chain if it
No. It takes a certain force to move the hand guard             snaps or jumps off. This should not happen if the chain is                 1               2
forward. If your hand only lightly touches the front guard      properly tensioned (see instructions under the heading
or slips over it, the force may not be enough to trigger the    Assembly) and if the bar and chain are properly serviced
chain brake. You should also maintain a firm grip of the        and maintained (see instructions under the heading
chain saw handles while working. If you do and                  General working instructions).
experience a kickback, your hand may never leave the
front handle and will not activate the chain brake, or the
chain brake will only activate after the saw has swung
around a considerable distance. In such instances, the                                                                                                                                        Fitting the starter
chain brake might not have enough time to stop the saw                                                                       •   Undo the screw in the centre of the pulley and remove        •   To fit the starter, first pull out the starter cord and place
chain before it touches you.                                                                                                     the pulley. Insert and fasten a new starter cord to the          the starter in position against the crankcase. Then
                                                                                                                                 pulley. Wind approx. 3 turns of the starter cord onto            slowly release the starter cord so that the pulley
There are also certain positions in which your hand
                                                                                                                                 the pulley. Connect the pulley to the recoil spring so           engages with the pawls.
cannot reach the front hand guard to activate the chain
                                                                                                                                 that the end of the spring engages in the pulley. Fit the
brake; for example, when the saw chain is held in felling                                                                                                                                     •   Fit and tighten the screws that hold the starter.
                                                                Right hand guard                                                 screw in the center of the pulley. Insert the starter cord
position.
                                                                                                                                 through the hole in the starter housing and the starter
Will my inertia activated chain brake                           Apart from protecting your hand if the chain jumps or            handle. Make a secure knot in the end of the starter
                                                                snaps, the right hand guard stops branches and twigs             cord.
always activate during kickback in the                          from interfering with your grip on the rear handle.
event of a kickback?
No. First your brake must be in working order. Testing the
brake is simple, see instructions under the heading
Checking, maintaining and servicing chain saw safety
equipment. We recommend you do before you begin each
work session. Second the kickback must be strong
                                                                                                                                                                                              Air filter
enough to activate the chain brake. If the chain brake is
too sensitive it would activate all the time which would be
a nuisance.                                                                                                                  Tensioning the recoil spring
                                                                Vibration damping system                                                                                                      The air filter must be regularly cleaned to remove dust
Will my chain brake always protect me                                                                                        •   Hook the starter cord in the notch in the pulley and
                                                                                                                                                                                              and dirt in order to avoid:
                                                                Your machine is equipped with a vibration damping                turn the starter pulley about 2 turns clockwise.
from injury in the event of a kickback?                                                                                                                                                       • Carburettor malfunctions
                                                                system that is designed to reduce vibration and make             Note! Check that the pulley can be turned an
No. First, the chain brake must be in working order to                                                                                                                                        • Starting problems
                                                                operation easier.                                                additional 1/2 turn when the starter cord is pulled all
provide the intended protection. Second, it must be                                                                                                                                           • Loss of engine power
activated during the kickback as described above to stop                                                                         the way out.
                                                                                                                                                                                              • Unnecessary wear to engine parts
the saw chain. Third, the chain brake may be activated but                                                                                                                                    • Excessive fuel consumption.
if the bar is too close to you the brake might not have                                                                                            1
                                                                                                                                                                                              • Remove the air filter after taking off the air filter cover.
enough time to slow down and stop the chain before the                                                                                                                                           When refitting make sure that the air filter seals tightly
chain saw hits you.                                             The machine′s vibration damping system reduces the
                                                                                                                                                                                                 against the filter holder. Clean the filter by brushing or
                                                                transfer of vibration between the engine unit/cutting
Only you and proper working technique can eliminate                                                                                                                                              shaking it.
                                                                equipment and the machine′s handle unit. The body of the
kickback and its danger.
                                                                chain saw, including the cutting equipment, is insulated
Throttle lockout                                                from the handles by vibration damping units.                                   2
The throttle lockout is designed to prevent accidental
operation of the throttle control. When you press the lock
(A) (i.e. when you grasp the handle) it releases the throttle                                                                Changing a broken recoil spring
control (B). When you release the handle the throttle
control and the throttle lockout both move back to their
original positions. This arrangement means that the             Cutting hardwoods (most broadleaf trees) creates more
throttle control is automatically locked at the idle setting.                                                                                                                                 The filter can be cleaned more thoroughly by washing it in
                                                                vibration than cutting softwoods (most conifers). Cutting    •   Lift off the pulley. See instructions under heading          water and detergent.
                                                                with cutting equipment that is blunt or faulty (wrong type       Changing a broken or worn starter cord.
                                                                or badly sharpened) will increase the vibration level.                                                                        An air filter that has been in use for a long time cannot be
                                                                                                                             •   Remove the recoil spring from inside the pulley by           cleaned completely. The filter must therefore be replaced
                                                                                                                                 tapping the pulley lightly with its inside face              with a new one at regular intervals. A damaged air filter
                                                                                                                                 downwards against a work bench or the like. If the           must always be replaced.
                                                                                                                                 spring pops out during fitting, wind it up again, working
                                                                                                                                 from the outside in towards centre.                          A HUSQVARNA chain saw can be equipped with different
                                                                                                                                                                                              types of air filters according to working conditions,
                                                                                                                                                                                              weather, season, etc. Contact your dealer for advice.

10 – English                                                                               1153137-95 Rev.2 2009-12-29       1153137-95 Rev.2 2009-12-29                                                                                        English – 35
MAINTENANCE                                                                                               GENERAL SAFETY PRECAUTIONS
Vibration damping system                                    Some mufflers are equipped with a special spark arrestor
                                                                                                                                       WARNING! Overexposure to vibration can               Cutting equipment
                                                            screen. If your machine has this type of muffler, you
                                                            should clean the screen at least once a week. This is best         !       lead to circulatory damage or nerve
                                                                                                                                       damage in people who have impaired
                                                                                                                                                                                            This section describes how to choose and maintain your
                                                                                                                                                                                            cutting equipment in order to:
                                                            done with a wire brush. A blocked screen will cause the
                                                                                                                                       circulation. Contact your doctor if you              • Reduce the risk of kickback.
                                                            engine to overheat and may lead to serious damage.
Regularly check the vibration damping units for cracks or                                                                              experience symptoms of overexposure to               • Reduce the risk of the saw chain breaking or jumping
                                                            Note! The screen must be replaced if it is damaged. If the                 vibration. Such symptoms include
deformation.                                                                                                                                                                                    off the bar.
                                                            screen is blocked the machine will overheat and this will                  numbness, loss of feeling, tingling,
                                                            cause damage to the cylinder and piston. Never use a                                                                            • Obtain optimal cutting performance.
                                                                                                                                       pricking, pain, loss of strength, changes
                                                            machine with a muffler that is in poor condition. Never                    in skin colour or condition. These                   • Extend the life of cutting equipment.
                                                            use a muffler if the spark arrestor screen is missing                      symptoms normally appear in the fingers,             • Avoid increasing vibration levels.
                                                            or defective.                                                              hands or wrists. These symptoms may be
Make sure the vibration damping units are securely                                                                                     increased in cold temperatures.                      General rules
attached to the engine unit and handle unit.                                                                                                                                                •   Only use cutting equipment recommended by us!
                                                                                                                          Stop switch                                                           See instructions under the heading Technical data.
                                                                                                                          Use the stop switch to switch off the engine.

                                                                                                                                                                                            •   Keep the chain’s cutting teeth properly
Stop switch                                                                                                                                                                                     sharpened! Follow our instructions and use the
                                                                                                                                                                                                recommended file gauge. A damaged or badly
                                                                                                                                                                                                sharpened chain increases the risk of accidents.
                                                            The muffler is designed to reduce the noise level and to
                                                            direct the exhaust gases away from the operator. The
Start the engine and make sure the engine stops when        exhaust gases are hot and can contain sparks, which may       Muffler
you move the stop switch to the stop setting.               cause fire if directed against dry and combustible            The muffler is designed to keep noise levels to a minimum
                                                            material.                                                     and to direct exhaust fumes away from the user.
                                                                                                                                                                                            •   Maintain the correct depth gauge setting! Follow
                                                            Starter                                                                    WARNING! The exhaust fumes from the
                                                                                                                                                                                                our instructions and use the recommended depth
                                                                                                                                                                                                gauge clearance. Too large a clearance increases
                                                                         WARNING! When the recoil spring is
                                                                                                                               !       engine are hot and may contain sparks
                                                                                                                                       which can start a fire. Never start the
                                                                                                                                                                                                the risk of kickback.

                                                                 !       wound up in the starter housing it is
                                                                         under tension and can, if handled
                                                                                                                                       machine indoors or near combustible
                                                                                                                                       material!
                                                                         carelessly, pop out and cause personal
                                                                         injury.                                          In areas with a hot, dry climate there is a high risk of fires.
Muffler                                                                  Care must be exercised when replacing
                                                                                                                          These areas are sometimes subject to government rules
                                                                                                                                                                                            •   Keep the chain properly tensioned! If the chain is
                                                                                                                          requiring among other things the muffler must be
                                                                         the return spring or the starter cord.                                                                                 slack it is more likely to jump off and lead to increased
                                                                         Wear protective glasses and protective           equipped with an approved type of spark arrestor screen.
                                                                                                                                                                                                wear on the bar, chain and drive sprocket.
                                                                         gloves.

Never use a machine that has a faulty muffler.
                                                            Changing a broken or worn starter cord
                                                                                                                                                                                            •   Keep cutting equipment well lubricated and
                                                                                                                                                                                                properly maintained! A poorly lubricated chain is
                                                                                                                           CAUTION! The muffler gets very hot during and after                  more likely to break and lead to increased wear on the
                                                            •   Loosen the screws that hold the starter against the                                                                             bar, chain and drive sprocket.
                                                                                                                           use. This also applies during idling. Be aware of the fire
                                                                crankcase and remove the starter.
                                                                                                                           hazard, especially when working near flammable
                                                                                                                           substances and/or vapours.

Regularly check that the muffler is securely attached to                                                                               WARNING! Never use a saw without a
the machine.
                                                                                                                               !       muffler, or with a damaged muffler. A
                                                                                                                                       damaged muffler may substantially
                                                                                                                                       increase the noise level and the fire
                                                                                                                                       hazard. Keep fire fighting equipment
                                                            •   Pull out the cord approx. 30 cm (12 inches) and hook                   handy. If a spark arrestor screen is
                                                                it into the notch in the rim of the pulley. Release the                required in your area, never use the saw
                                                                                                                                       without or with a broken spark arrestor
                                                                                                                                       screen.

34 – English                                                                           1153137-95 Rev.2 2009-12-29        1153137-95 Rev.2 2009-12-29                                                                                      English – 11
GENERAL SAFETY PRECAUTIONS                                                                                                                   MAINTENANCE
Cutting equipment designed to reduce                           •   Number of drive links. The number of drive links is     Checking the brake trigger                                    •   Check that the throttle control and throttle lockout
                                                                   determined by the length of the bar, the chain pitch                                                                      move freely and that the return springs work properly.
kickback                                                           and the number of teeth on the bar tip sprocket.
                                                                                                                           Place the chain saw on firm ground and start it. Make sure
                                                                                                                           the chain does not touch the ground or any other object.
              WARNING! Faulty cutting equipment or                                                                         See the instructions under the heading Start and stop.
       !      the wrong combination of bar and saw
              chain increases the risk of kickback!
              Only use the bar/saw chain combinations
              we recommend, and follow the filing              •   Bar groove width (inches/mm). The groove in the bar
              instructions. See instructions under the             must match the width of the chain drive links.
              heading Technical data.                                                                                                                                                    •   Start the chain saw and apply full throttle. Release the
                                                                                                                                                                                             throttle control and check that the chain stops and
The only way to avoid kickback is to make sure that the                                                                                                                                      remains stationary. If the chain rotates when the
kickback zone of the bar never touches anything.                                                                                                                                             throttle control is in the idle position you should check
By using cutting equipment with ”built-in” kickback                                                                        Grasp the chain saw firmly, wrapping your fingers and             the carburetor idle adjustment.
reduction and keeping the chain sharp and well-                                                                            thumbs around the handles.
maintained you can reduce the effects of kickback.             •   Chain oil hole and hole for chain tensioner. The bar                                                                  Chain catcher
                                                                   must be matched to the chain saw design.
Bar
The smaller the tip radius the lower the chance of
kickback.                                                                                                                                                                                Check that the chain catcher is not damaged and is firmly
Chain                                                                                                                                                                                    attached to the body of the chain saw.
                                                               Chain
A chain is made up of a number of links, which are             • Chain pitch (inches)
available in standard and low-kickback versions.                                                                           Apply full throttle and activate the chain brake by tilting
                                                                                                                           your left wrist forward onto the front hand guard. Do not
    IMPORTANT! No saw chain design eliminates the                                                                          let go of the front handle. The chain should stop
    danger of kickback.                                                                                                    immediately.

                                                               •   Drive link width (mm/inches)
              WARNING! Any contact with a rotating
       !      saw chain can cause extremely serious
              injuries.

Some terms that describe the bar and chain                                                                                 Throttle lockout
                                                                                                                                                                                         Right hand guard
To maintain the safety features of the cutting equipment,      •   Number of drive links.
you should replace a worn or damaged bar or chain with
a bar and chain combinations recommended by
Husqvarna. See instructions under the heading Technical                                                                    •   Make sure the throttle control is locked at the idle
Data for a list of replacement bar and chain combinations                                                                      setting when the throttle lockout is released.            Check that the right hand guard is not damaged and that
we recommend.                                                                                                                                                                            there are no visible defects, such as cracks.

Bar
                                                               Sharpening your chain and adjusting
•     Length (inches/cm)
                                                               depth gauge setting
                                                               General information on sharpening cutting teeth
                                                               • Never use a blunt chain. When the chain is blunt you
                                                                 have to exert more pressure to force the bar through
•     Number of teeth on bar tip sprocket (T).
                                                                 the wood and the chips will be very small. If the chain   •   Press the throttle lockout and make sure it returns to
                                                                 is very blunt it will produce wood powder and no chips        its original position when you release it.
                                                                 or shavings.
                                                               •   A sharp chain eats its way through the wood and
                                                                   produces long, thick chips or shavings.
•     Chain pitch (inches). The spacing between the drive
      links of the chain must match the spacing of the teeth
      on the bar tip sprocket and drive sprocket.

12 – English                                                                                1153137-95 Rev.2 2009-12-29    1153137-95 Rev.2 2009-12-29                                                                                  English – 33
MAINTENANCE                                                                                                 GENERAL SAFETY PRECAUTIONS
CAUTION! If the high speed jet is screwed in too far,            Checking the front hand guard                                  •   The cutting part of the chain is called the cutter and      data for information on the size of file and gauge that are
it may damage the piston/cylinder.                                                                                                  consists of a cutting tooth (A) and the depth gauge         recommended for the chain fitted to your chain saw.
When test run at the factory, the high speed jet is set so                                                                          (B). The cutters cutting depth is determined by the
that the engine satisfies the applicable legal requirements                                                                         difference in height between the two (depth gauge
at the same time as achieving maximum performance.                                                                                  setting).
                                                                 Make sure the front hand guard is not damaged and that
The carburetor’s high speed jet is then locked using a           there are no visible defects such as cracks.
limiter cap in the fully screwed out position. The limiter cap
limits the potential to adjust the high speed jet to at most                                                                                                                                    •   Check that the chain is correctly tensioned. A slack
half a turn.                                                                                                                                                                                        chain will move sideways, making it more difficult to
To adjust the carburetor correctly you should contact a                                                                                                                                             sharpen correctly.
mechanic with access to a rev counter.
                                                                                                                                When you sharpen a cutting tooth there are four important
CAUTION! As the spark is cut off, the rev counter does not       Move the front hand guard forwards and back to make            factors to remember.
show speeds higher than 13600 rpm.                               sure it moves freely and that it is securely anchored to the   1   Filing angle
Correctly adjusted carburetor                                    clutch cover.                                                                                                                  •   Always file cutting teeth from the inside face. Reduce
                                                                                                                                                                                                    the pressure on the return stroke. File all the teeth on
When the carburetor is correctly adjusted the machine                                                                                                                                               one side first, then turn the chain saw and file the teeth
accelerates without hesitation and the machine 4-cycles                                                                                                                                             on the other side.
a little at max. speed. It is also important that the chain
does not rotate at idle. If the L-jet is set too lean it may
cause starting difficulties and poor acceleration. If the H-
jet is set too lean the machine will have less power, poor                                                                      2   Cutting angle
acceleration and could suffer damage to the engine.
                                                                 Checking the inertia brake release
Checking, maintaining and
                                                                                                                                                                                                •   File all the teeth to the same length. When the length
servicing chain saw safety                                                                                                                                                                          of the cutting teeth is reduced to 5/32 inch (4 mm) the
equipment                                                                                                                       3   File position                                                   chain is worn out and should be replaced.
                                                                 With the engine turned off, hold the chain saw over a
                                                                 stump or other firm object. Let go of the front handle so
 Note! All servicing and repair work on the machine              that the bar drops towards the stump as the chain saw
 requires special training. This is especially true of the       rotates around the rear handle.
 machine′s safety equipment. If your machine fails any of                                                                       4   Round file diameter
 the checks described below we recommend you to
 contact our servicing dealer.
                                                                                                                                                                                                General advice on adjusting depth gauge setting
                                                                                                                                                                                                • When you sharpen the cutting tooth (A) the depth
Chain brake and front hand guard                                                                                                It is very difficult to sharpen a chain correctly without the     gauge setting (C) will decrease. To maintain optimal
                                                                                                                                right equipment. We recommend that you use our file               cutting performance the depth gauge (B) has to be
Checking brake band wear
                                                                                                                                gauge. This will help you obtain the maximum kickback             filed down to achieve the recommended depth gauge
                                                                                                                                reduction and cutting performance from your chain.                setting. See instructions under the heading Technical
                                                                                                                                                                                                  data to find the correct depth gauge setting for your
                                                                                                                                                                                                  particular chain.
Brush off any wood dust, resin and dirt from the chain
brake and clutch drum. Dirt and wear can impair                  When the bar hits the stump the brake should be
operation of the brake.                                          applied.

                                                                                                                                See instructions under the heading Technical data for
                                                                                                                                information about sharpening your chain.
                                                                                                                                                                                                             WARNING! The risk of kickback is

                                                                                                                                     !
                                                                                                                                             WARNING! Departure from the
                                                                                                                                             sharpening instructions considerably                    !       increased if the depth gauge setting is
                                                                                                                                                                                                             too large!
                                                                                                                                             increases the risk of kickback.
                                                                                                                                                                                                Adjustment of depth gauge setting
                                                                                                                                Sharpening cutting teeth
Regularly check that the brake band is at least 0.024 inch
(0.6 mm) thick at its thinnest point.

                                                                                                                                                                                                •   The cutting teeth should be newly sharpened before
                                                                                                                                To sharpen cutting teeth you will need a round file and a           adjusting the depth gauge setting. We recommend
                                                                                                                                file gauge. See instructions under the heading Technical            that you adjust the depth gauge setting every third
                                                                                                                                                                                                    time you sharpen the cutting teeth. NOTE! This

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GENERAL SAFETY PRECAUTIONS                                                                                                                           MAINTENANCE
    recommendation assumes that the length of the
    cutting teeth is not reduced excessively.
                                                                    •   Raise the tip of the bar and stretch the chain by          General                                                        Basic settings and running in
                                                                        tightening the chain tensioning screw using the
                                                                        combination spanner. Tighten the chain until it does       The user must only carry out the maintenance and               The basic carburetor settings are adjusted during testing
•   You will need a flat file and a depth gauge tool. We
                                                                        not sag from the underside of the bar.                     service work described in this manual. More extensive          at the factory. Avoid running at a too high speed for
    recommend that you use our depth gauge tool to
                                                                                                                                   work must be carried out by an authorized service              extended periods during the first 10 hours.
    acheive the correct depth gauge setting and bevel for
    the depth gauge.                                                                                                               workshop.                                                      CAUTION! If the chain rotates while idling the T-screw
                                                                                                                                                                                                  must be turned anti-clockwise until the chain stops.
                                                                                                                                   Carburetor adjustment                                          Rec. idle speed: 2700 rpm
                                                                                                                                   Due to existing environmental and emissions legislation
                                                                    •   Use the combination spanner to tighten the bar nuts        your chain saw is equipped with movement limiters on the       Fine adjustment
                                                                        while lifting the tip of the bar at the same time. Check   carburetor adjuster screws. These limit the adjustment         When the machine has been ”run-in” the carburetor
                                                                        that you can pull the chain round freely by hand and       possibilities to a maximum of a 1/2 turn.                      should be finely adjusted. The fine adjustment should
•   Place the depth gauge tool over the chain. Detailed
                                                                        that it does not sag from the underside of the bar.                                                                       be carried out by a qualified person. First adjust the L-
    information regarding the use of the depth gauge tool,
    will be found on the package for the depth gauge tool.                                                                                     L
                                                                                                                                                   H                                              jet, then the idling screw T and then the H-jet.
    Use the flat file to file off the tip of the depth gauge that
                                                                                                                                                                                                  Conditions
    protrudes through the depth gauge tool. The depth                                                                                                                    1/2
    gauge setting is correct when you no longer feel                                                                                                                                              •   Before any adjustments are made the air filter should
    resistance as you draw the file along the depth gauge           The position of the chain tensioning screw on our chain                                        1/2                                be clean and the cylinder cover fitted. Adjusting the
    tool.                                                           saws varies from model to model. See instructions under                                                                           carburetor while a dirty air filter is in use will result in
                                                                    the heading What is what? to find out where it is on your                                                                         a leaner mixture next time the filter is cleaned. This
                                                                    model.                                                         Your Husqvarna product has been designed and                       can give rise to serious engine damage.
                                                                                                                                   manufactured to specifications that reduce harmful             •   Do not attempt to adjust the L and H jets beyond
                                                                    455e Rancher                                                   emissions.                                                         either stop as this could cause damage.
                                                                                                                                   Function                                                       •   Now start the machine according to the starting
Tensioning the chain                                                                                                                                                                                  instructions and let it warm up for 10 minutes.
                                                                                                                                   •    The carburetor governs the engine’s speed via the
                                                                    •   Release the knob by folding it out.                             throttle control. Air and fuel are mixed in the           •   Place the machine on a flat surface so that the bar
                                                                                                                                        carburetor. The air/fuel mixture is adjustable. Correct       points away from you and so that the bar and chain do
                                                                                                                                        adjustment is essential to get the best performance           not come into contact with the surface or other
                                                                                                                                        from the machine.                                             objects.
             WARNING! A slack chain may jump off
     !       the bar and cause serious or even fatal
             injury.
                                                                                                                                   •    The setting of the carburetor means that the engine is
                                                                                                                                        adapted to local conditions, for example, the climate,
                                                                                                                                                                                                  Low speed jet L
                                                                                                                                                                                                  Turn the low speed jet L clockwise until it stops. If the
                                                                                                                                        altitude, fuel and the type of 2-stroke oil.
                                                                                                                                                                                                  engine accelerates poorly or idles unevenly, turn the low
The more you use a chain the longer it becomes. It is                                                                              •     The carburetor has three adjustment controls:            speed jet L anticlockwise until good acceleration and
therefore important to adjust the chain regularly to take up                                                                           - L = Low speed jet                                        idling are achieved.
the slack.                                                                                                                             - H = High speed jet
                                                                    •   Turn the knob anti clockwise to loosen the bar cover.                                                                     Fine adjustment of the idling speed T
Check the chain tension every time you refuel. NOTE! A                                                                                 - T = Idle adjustment screw
new chain has a running-in period during which you                                                                                                                                                Adjust the idle speed with the T-screw. If it is necessary to
should check the tension more frequently.                                                                                                                                 L                       re-adjust, turn the T-screw clockwise while the engine is
Tension the chain as tightly as possible, but not so tight                                                                                                                         H              running, until the chain starts to rotate. Then turn counter-
that you cannot pull it round freely by hand.                                                                                                                                                     clockwise until the chain stops. A correctly adjusted idle
                                                                                                                                                                                                  speed setting occurs when the engine runs smoothly in
                                                                                                                                                                                                  every position. It should also be good margin to the rpm
                                                                                                                                                                                                  when the chain starts to rotate.
                                                                    •   Adjust the tension on the chain by turning the wheel
                                                                        down (+) for tighter tension and up (-) to loosen the                                                  T                               WARNING! Contact your servicing

455 Rancher, 460 Rancher
                                                                        tension.                                                   •    The L and H-jets are used to adjust the supply of fuel
                                                                                                                                        to match the rate that air is admitted, which is
                                                                                                                                                                                                       !       dealer, if the idle speed setting cannot be
                                                                                                                                                                                                               adjusted so that the chain stops at idle.
                                                                                                                                        controlled with the throttle. If they are screwed                      Do not use the chain saw until it has
                                                                                                                                        clockwise the air/fuel ratio becomes leaner (less fuel)                been properly adjusted or repaired.
                                                                                                                                        and if they are turned anti-clockwise the ratio
                                                                                                                                        becomes richer (more fuel). A lean mixture gives a        High speed jet H
•   Loosen the bar nuts that hold the clutch cover/chain
                                                                                                                                        higher engine speed and a rich mixture gives a lower
    brake. Use the combination spanner. Then tighten the                                                                                                                                          At the factory the engine is adjusted at sea level.
                                                                                                                                        engine speed.
    bar nuts by hand as tight as you can.                                                                                                                                                         When working at a high altitude or in different
                                                                                                                                   •    The T-screw regulates the throttle setting at idle
                                                                                                                                                                                                  weather conditions, temperatures and atmospheric
                                                                                                                                        speed. If the T-screw is turned clockwise this gives a
                                                                                                                                                                                                  humidity, it may be necessary to make minor
                                                                                                                                        higher idle speed; turning it anti-clockwise gives a
                                                                                                                                                                                                  adjustments to the high speed jet.
                                                                                                                                        lower idle speed.

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